appl 0.2.1

Appl is a physics engine powered by the Rapier library. It is currently 2d only.
Documentation 
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use rapier2d::prelude::*;

use crate::vector::Vect2;

/// The Appl World
pub struct ApplWorld {
  gravity: Vect2<f32>,
  integration_parameters: IntegrationParameters,
  physics_pipeline: PhysicsPipeline,
  island_manager: IslandManager,
  broad_phase: BroadPhase,
  narrow_phase: NarrowPhase,
  joints: JointSet,
  ccd_solver: CCDSolver,
  physics_hooks: (),
  event_handler: (),

  pub rigid_bodies: RigidBodySet,
  pub colliders: ColliderSet,

  pub scale: f32,
}
impl ApplWorld {
  /// Initialize an Appl World
  pub fn new(gravity: Vect2<f32>, scale: f32) -> Self {
    let rigid_bodies = RigidBodySet::new();
    let colliders = ColliderSet::new();

    let integration_parameters = IntegrationParameters::default();
    let physics_pipeline = PhysicsPipeline::new();
    let island_manager = IslandManager::new();
    let broad_phase = BroadPhase::new();
    let narrow_phase = NarrowPhase::new();
    let joints = JointSet::new();
    let ccd_solver = CCDSolver::new();
    let physics_hooks = ();
    let event_handler = ();

    Self {
      gravity,
      integration_parameters,
      physics_pipeline,
      island_manager,
      broad_phase,
      narrow_phase,
      joints,
      ccd_solver,
      physics_hooks,
      event_handler,

      rigid_bodies,
      colliders,

      scale,
    }
  }

  /// Updates the world
  pub fn step(&mut self) {
    self.physics_pipeline.step(
      &self.gravity.into(),
      &self.integration_parameters,
      &mut self.island_manager,
      &mut self.broad_phase,
      &mut self.narrow_phase,
      &mut self.rigid_bodies,
      &mut self.colliders,
      &mut self.joints,
      &mut self.ccd_solver,
      &self.physics_hooks,
      &self.event_handler,
    );
  }
}